Signature électronique secteur médical : RGPD & HDS

Introduction: Digital Transformation of Healthcare Establishments

The healthcare sector is one of the most demanding environments in terms of data security and regulatory compliance. By 2026, more than 73% of French healthcare establishments report having initiated their document dematerialization (source: ANS 2025 report). However, electronic signature in the healthcare sector remains underutilized, hindered by legitimate concerns about GDPR compliance, health data hosting (HDS) and eIDAS regulatory requirements. This article provides you with a comprehensive framework to understand the challenges, choose the right signature level and deploy a sovereign solution tailored to the specificities of healthcare.

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1. Why Electronic Signature has Become Essential in Healthcare

1.1 Massive and Constraining Document Volume

A French university hospital produces on average 4 to 6 million documents per year: prescriptions, informed consents, employment contracts, inter-establishment agreements, admission forms, medical expertise reports. Manuscript signatures generate average delays of 5 to 12 working days for documents requiring multiple successive validations.

Medical electronic signature allows these delays to be reduced to a few hours, while offering superior legal traceability compared to paper. For hospital territorial groupings (GHT), multi-site signature flows make dematerialization no longer optional but strategic.

1.2 Priority Documents Covered

Priority use cases in the healthcare sector include:

• Patient informed consent: mandatory before any invasive procedure (Article L.1111-4 of the French Public Health Code), it must be dated, nominative and preserved.

• Healthcare professional contracts and amendments: physicians, nurses, temporary staff; signature delays directly impact schedules.

• Partnership agreements and clinical research protocols: subject to multi-layer validation requirements (sponsor, investigator, CNIL, CPP).

• Electronic prescriptions and digital orders: governed by the Mon Espace Santé programme and ANS referentials.

• Hospital public procurement: subject to the Public Procurement Code and qualified signature requirements.

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2. GDPR and Health Data: Specific Obligations to Master

2.1 Health Data as a Special Category under GDPR

The General Data Protection Regulation (GDPR, No. 2016/679) classifies health data in the category of sensitive data (Article 9). Their processing is in principle prohibited, except for explicit exceptions: explicit consent of the data subject, necessity for medical care, or public interest in health matters.

In the context of electronic signature, any solution that collects, transmits or stores data enabling identification of a patient or healthcare professional in a medical context processes health data in the broad sense. This requires:

• Designation of a Data Protection Officer (DPO) mandatory for healthcare establishments (Article 37 GDPR).

• Conducting a Data Protection Impact Assessment (DPIA) whenever processing is likely to result in high risk.

• Compliance with the data minimization principle: collecting only information strictly necessary for the signature act.

• Implementation of appropriate technical and organizational measures: end-to-end encryption, pseudonymization, access controls.

2.2 Data Location: A Sovereignty Issue

Article 44 of the GDPR strictly regulates transfers of data outside the European Union. For healthcare establishments, choosing an electronic signature solution hosted in the United States or in a third country without an adequacy decision exposes them to major legal risks: CNIL sanctions reaching 4% of worldwide turnover or 20 million euros.

The CNIL explicitly recommends using service providers hosting their infrastructure within the European Union, ideally in France for the most sensitive health data.

2.3 Health Data Hosting (HDS): Mandatory Certification

Since the law of 26 January 2016 modernizing the healthcare system (codified in Article L.1111-8 of the French Public Health Code), hosting personal health data must be entrusted to a host certified HDS (Health Data Host) by the ANS (National Digital Agency).

This certification, based on the ISO 27001 standard extended to HDS specificities, covers six activities including infrastructure provision, IT management and hosting of information systems. An electronic signature solution used in a medical context must therefore be hosted on HDS-certified infrastructure or rely on a certified sub-processor.

Certyneo hosts all its data on HDS-certified cloud infrastructure and ISO 27001 located in France, in accordance with ANS requirements. Visit our dedicated page on electronic signature in healthcare to discover our technical architecture.

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3. eIDAS, Signature Levels and Strategic Choice for Healthcare

3.1 Three Signature Levels according to eIDAS

The European regulation eIDAS (No. 910/2014) and its evolution eIDAS 2.0 (EU Regulation 2024/1183) define three levels of electronic signature, the choice of which determines the probative value and technical requirements:

| Level | Description | Typical Medical Use | |---|---|---| | SES (Simple) | Electronic data attached to other data | Receipts, internal forms | | SEA (Advanced) | Linked to signer, detection of any modification | Consents, HR contracts, agreements | | SEQ (Qualified) | Highest level, qualified creation device, qualified trust service provider | Public contracts, notarial deeds, clinical research |

For the majority of common medical acts (informed consents, employment contracts, digital prescriptions), advanced electronic signature (SEA) offers the best balance between security level and ease of use. Hospital procurement and certain clinical research protocols require qualified signature (SEQ).

For more information on regulatory levels, consult our comprehensive guide on the eIDAS regulation.

3.2 Digital Identity of Healthcare Professionals: CPS and Pro Santé Connect

In France, healthcare professionals have the Health Professional Card (CPS), issued by the ANS, which constitutes a recognized electronic identification means. The Pro Santé Connect solution, the healthcare equivalent of FranceConnect, allows strong authentication of professionals.

An electronic signature solution intended for the healthcare sector should ideally be compatible with these sectoral digital identity devices to achieve the level of advanced or even qualified signature required by certain document flows.

3.3 ETSI Compliance and Qualified Trust Service Providers

Qualified Trust Service Providers (QTSPs) listed on the European Trust List (TSL) guarantee that their services comply with ETSI standards EN 319 132 (XAdES), EN 319 122 (CAdES) and EN 319 162 (ASiC). In France, ANSSI publishes and maintains this national trust list.

For healthcare establishments, relying on a SaaS editor that itself relies on a referenced QTSP is an essential guarantee of the legal value of signed documents.

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4. Deploying Electronic Signature in a Healthcare Establishment: Practical Guide

4.1 Map Document Flows and Identify Priorities

Before any deployment, mapping of document flows is essential. It must identify for each document type: the number of signatories, the required signature level, data sensitivity and deadline constraints.

A medium-sized GHT will prioritize patient consents (high volume, immediate gains), then HR contracts (impact on attractiveness), and finally inter-establishment agreements (multi-signatory complexity).

4.2 Integration into the Hospital Information System (HIS)

Medical electronic signature is only effective if it integrates natively into existing tools: EHR (Electronic Health Record), HR scheduling software, document management tools (EDM). Modern solutions offer REST APIs and native connectors for the main HIS systems on the market (Mediboard, Hospital Manager, etc.).

Certyneo offers a documented API enabling integration in less than 48 hours in the majority of hospital environments. You can estimate the return on investment of this deployment using our dedicated ROI calculator.

4.3 Train Teams and Support Change

The human factor is often the main obstacle to dematerialization in healthcare. Healthcare professionals have extreme time constraints and low tolerance for technological friction. A signature solution must therefore be:

• Accessible on mobile (signature on the move, between consultations)

• Intuitive in less than 3 clicks for the signer

• Compatible with existing approval workflows (department head validation, management)

A short training programme (2 hours maximum) coupled with integrated video tutorials in the tool allows adoption rates exceeding 85% within the first 30 days.

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5. Certyneo: The Electronic Signature Solution Designed for Healthcare

5.1 Sovereign Architecture and Certifications

Certyneo was designed from the outset to meet the requirements of highly regulated sectors. Our infrastructure is based on European datacenters (IONOS SE, Germany). We are actively pursuing certifications: HDS (in progress), ISO 27001 (expected Q4 2026), SOC 2 Type II (expected 2027). All data is encrypted in transit (TLS 1.3) and at rest (AES-256), with encryption key policies dedicated to each client.

Our service relies on qualified trust service providers referenced by ANSSI to guarantee maximum legal value of produced signatures. Qualified timestamps and signature certificates comply with applicable ETSI standards.

5.2 Functionality Specific to the Healthcare Sector

• Multi-party signature workflows: management of workflows with distinct roles (patient, physician, management, legal counsel)

• Medical document templates compliant with HAS recommendations (consents, protocols)

• Complete audit trail preserved for at least 10 years (legal retention period for medical records)

• Pro Santé Connect compatibility for strong authentication of professionals

• Available DPO to assist with your impact assessment (DPIA)

5.3 Migration from Non-HDS-Compliant Solutions

Many healthcare establishments still use public electronic signature solutions (DocuSign, Adobe Sign) whose hosting is not HDS-certified. This situation exposes them to increasing compliance risk, particularly following CNIL's enhanced controls since 2024.

Our dedicated migration programme allows you to transfer all your historical documents and workflows in less than 5 working days. Discover our Certyneo migration offer designed for establishments constrained by regulatory deadlines.

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Conclusion: HDS-GDPR Compliance, an Investment, Not a Constraint

Electronic signature in the healthcare sector is no longer an optional subject. Between increasingly stringent regulatory obligations (GDPR, HDS, eIDAS 2.0, Mon Espace Santé programme), pressure on administrative delays and cybersecurity challenges (healthcare is the most targeted sector for cyberattacks in France in 2025 according to ANSSI), establishments that have not yet deployed a sovereign and certified solution are taking major legal and operational risks.

Certyneo offers the most comprehensive solution on the French market to simultaneously meet HDS-GDPR-eIDAS compliance requirements and the operational needs of medical and administrative teams.

Ready to secure your medical document flows? Discover the Certyneo solution for healthcare or view our pricing tailored for healthcare establishments to start your free evaluation.

Legal Framework Applicable to Medical Electronic Signature

Civil Code and Probative Value

Article 1366 of the French Civil Code establishes the principle of equivalence between electronic signature and manuscript signature: "An electronic document has the same probative force as a document on paper, provided that the person from whom it emanates can be duly identified and that it is established and preserved under conditions designed to guarantee its integrity." Article 1367 specifies that "the reliability of this procedure is presumed, unless proven otherwise, when the electronic signature is created, the identity of the signer ensured and the integrity of the document guaranteed, under conditions fixed by decree in Council of State." This decree (No. 2017-1416 of 28 September 2017) explicitly refers to eIDAS requirements for qualified signatures.

eIDAS Regulation and eIDAS 2.0

The EU Regulation No. 910/2014 (eIDAS), supplemented by EU Regulation 2024/1183 (eIDAS 2.0) which came into progressive application from March 2024, establishes the European legal framework for trust services. It distinguishes three signature levels (simple, advanced, qualified) whose technical requirements are specified by ETSI standards EN 319 132 (XAdES), ETSI EN 319 122 (CAdES) and ETSI EN 319 401 (general PSC requirements). Qualified signatures have legal value equivalent to manuscript signatures in all Member States.

GDPR and Health Data

The EU Regulation No. 2016/679 (GDPR), Articles 9, 35, 37 and 44, impose specific obligations for health data processing: explicit consent or alternative legal basis, mandatory DPIA for high-risk processing, DPO designation, and prohibition of transfer to third countries without adequate safeguards. Violations can expose the establishment to fines up to 20 million euros or 4% of annual worldwide turnover.

Health Data Hosting (HDS)

Article L.1111-8 of the French Public Health Code, from the law of 26 January 2016, requires HDS certification for any host of personal health data. The HDS certification referential, published by the ANS and based on ISO 27001:2022, covers six hosting activities. Any electronic signature solution editor used in a medical context must either hold the HDS certification itself or outsource hosting to a certified provider with a DPA (Data Processing Agreement) compliant with Article 28 of the GDPR.

NIS2 and Cybersecurity of Healthcare Establishments

The NIS2 Directive (EU 2022/2555), transposed into French law by law No. 2024-449, classifies hospitals and healthcare establishments as essential entities (EE), subjecting them to the most stringent obligations in terms of cyber risk management, incident notification (72 hours) and regular audits. The electronic signature solution is an integral part of the security scope to be audited.

Concrete Use Cases: Medical Electronic Signature in Action

Use Case 1: CHU Aliénor – Dematerialization of Informed Consents

CHU Aliénor (3,200 beds, 6 sites), facing a rate of lost or incomplete consent forms of 8%, deployed Certyneo to dematerialize 100% of its informed consents in surgery and oncology. The patient receives an SMS or email link before admission, signs from their smartphone in less than 2 minutes, and the certified document is automatically entered into their medical record on the EHR.

Results after 6 months: Rate of incomplete consents reduced from 8% to 0.3%, average collection delay reduced from 48 hours to 4 hours, saving of 127,000 A4 sheets per year, GDPR compliance assured with qualified timestamp and audit trail preserved 10 years.

Use Case 2: MEDIPRIVÉ Group – Contracts of Freelance Practitioners

MEDIPRIVÉ, a group of 14 private clinics in the PACA region, managed its collaboration contracts and amendments with its 340 freelance practitioners through paper exchanges and PDF emails, without certified probative value. The average time to sign an amendment reached 9 working days, penalizing operating room schedules.

After deploying Certyneo with API integration into their HR software, amendments are now signed with advanced signature in less than 6 hours on average. The time saving represents the equivalent of 1.8 full-time administrative positions per year, reallocated to value-added tasks. The group also eliminated all risk related to data transfers outside the EU (the former service provider was hosted in Ireland with US sub-contracting).

Use Case 3: BIOPHARMA NORD Research Institute – Clinical Research Protocols

BIOPHARMA NORD Research Institute annually manages 23 clinical research protocols requiring signature from at least 6 parties (sponsor, principal investigator, co-investigators, CPP, ANSM, establishment). Each signature had to reach the qualified level (SEQ) to meet ICH E6 requirements and ANSM recommendations.

Certyneo was deployed with qualified certificate integration via an ANSSI-referenced QTSP, enabling sequential or parallel signature workflows depending on document type. The average time to obtain all signatures for a protocol decreased from 34 days to 8 days, significantly accelerating trial initiation. Enhanced traceability also facilitated audits by competent authorities.